The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 1986
Filed:
Jul. 05, 1984
Applicant:
Inventors:
Shiao-Hung Chiang, Pittsburgh, PA (US);
George E Klinzing, Pittsburgh, PA (US);
Assignee:
University of Pittsburgh, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03D / ;
U.S. Cl.
CPC ...
209-5 ; 209162 ; 44 1 / ;
Abstract
A process for removing mineral matter from feed coal employing liquid carbon dioxide. A water slurry of pulverized feed coal is mixed with liquid carbon dioxide. Demineralized coal is collected in the liquid carbon dioxide phase while separated mineral matter concentrates in the water phase. The two liquid phases are separately drawn off and their solid contents recovered.
Chiang, Shiao-Hung. (1986). Process for removing mineral matter from coal (U.S. Patent No. 4613429). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4613429
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile